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(11)

EP 4 214 405 A1

(12)

(43) Date of publication: 26.07.2023 Bulletin 2023/30 (21) Application number: 21762395.8 (22) Date of filing: 09.08.2021

(51) International Patent Classification (IPC):  F01K 23/10(2006.01) F22B 35/06(2006.01) F22B 1/18(2006.01) F22G 5/12(2006.01) (52) Cooperative Patent Classification (CPC): F22B 1/1815; F01K 23/101; F22G 5/123; F22B 35/06 (86) International application number: PCT/EP2021/072139 (87) International publication number: WO 2022/058091 (24.03.2022 Gazette 2022/12)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 16.09.2020 EP 20196335 (71) Applicant: NEM Energy B.V. 2382 BL Zoeterwoude (NL)	(72) Inventors: ROP, Peter 2731 BM Benthuizen (NL) GOOSSEN, Antonius 2251 DN Voorschoten (NL) WITTE, Peter 2313KP Leiden (NL) (74) Representative: Tomerius, Isabel  Lang & Tomerius Patentanwaltspartnerschaft mbB Rosa-Bavarese-Strasse 5 80639 München 80639 München (DE)